Tedlar PVF Gas Sampling Bag with PP valve, 5L, 3/16'' OD (4.76mm) Back Catalog number: TDL71_5L Availability: In the manufacturer's stock Price on request - + Recommended C-HSPVLP-20 HiSorb septum plug, pk 20 Price on request P-00001 VOC-Mole assembly, 230mm,pk 1 Price on request C-HSPH HiSorb handle, for manual probe extraction Price on request